<?php  //$Id: edit.php,v 1.4.2.2 2009/01/07 19:51:18 skodak Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com	   //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

require_once '../../../config.php';
require_once $CFG->dirroot.'/grade/lib.php';
require_once $CFG->dirroot.'/grade/report/lib.php';
require_once 'edit_form.php';

$courseid = optional_param('courseid', 0, PARAM_INT);
$id	   = optional_param('id', 0, PARAM_INT);

$systemcontext = get_context_instance(CONTEXT_SYSTEM);

// a bit complex access control :-O
if ($id) {
	/// editing existing outcome
	if (!$outcome_rec = get_record('grade_outcomes', 'id', $id)) {
		error('Incorrect outcome id');
	}
	if ($outcome_rec->courseid) {
		$outcome_rec->standard = 0;
		if (!$course = get_record('course', 'id', $outcome_rec->courseid)) {
			error('Incorrect course id');
		}
		require_login($course);
		$context = get_context_instance(CONTEXT_COURSE, $course->id);
		require_capability('moodle/grade:manage', $context);
		$courseid = $course->id;
	} else {
		if ($courseid) {
			if (!$course = get_record('course', 'id', $courseid)) {
				error('Incorrect course id');
			}
		}
		$outcome_rec->standard = 1;
		$outcome_rec->courseid = $courseid;
		require_login();
		require_capability('moodle/grade:manage', $systemcontext);
	}

} else if ($courseid){
	/// adding new outcome from course
	if (!$course = get_record('course', 'id', $courseid)) {
		print_error('nocourseid');
	}
	$outcome_rec = new object();
	$outcome_rec->standard = 0;
	$outcome_rec->courseid = $courseid;
	require_login($course);
	$context = get_context_instance(CONTEXT_COURSE, $course->id);
	require_capability('moodle/grade:manage', $context);

} else {
	/// adding new outcome from admin section
	$outcome_rec = new object();
	$outcome_rec->standard = 1;
	$outcome_rec->courseid = 0;
	require_login();
	require_capability('moodle/grade:manage', $systemcontext);
}

// default return url
$gpr = new grade_plugin_return();
$returnurl = $gpr->get_return_url('index.php?id='.$courseid);

$mform = new edit_outcome_form(null, array('gpr'=>$gpr));

$mform->set_data($outcome_rec);

if ($mform->is_cancelled()) {
	redirect($returnurl);

} else if ($data = $mform->get_data(false)) {
	$outcome = new grade_outcome(array('id'=>$id));
	$data->usermodified = $USER->id;
	grade_outcome::set_properties($outcome, $data);

	if (empty($outcome->id)) {
		if (!has_capability('moodle/grade:manage', $systemcontext)) {
			$data->standard = 0;
		}
		$outcome->courseid = !empty($data->standard) ? null : $courseid;
		if (empty($outcome->courseid)) {
			$outcome->courseid = null;
		}
		$outcome->insert();

	} else {
		if (isset($data->standard)) {
			$outcome->courseid = !empty($data->standard) ? null : $courseid;
		} else {
			unset($outcome->courseid); // keep previous
		}
		$outcome->update();
	}

	redirect($returnurl);
}

$strgrades	   = get_string('grades');
$strgraderreport = get_string('graderreport', 'grades');
$stroutcomeedit  = get_string('outcome', 'grades');

if ($courseid) {
	$navigation = grade_build_nav(__FILE__, $stroutcomeedit, array('courseid' => $courseid));
	print_header_simple($strgrades.': '.$strgraderreport, ': '.$stroutcomeedit, $navigation, '', '', true, '', navmenu($course));

} else {
	require_once $CFG->libdir.'/adminlib.php';
	admin_externalpage_setup('outcomes');
	admin_externalpage_print_header();
}

if (!grade_scale::fetch_all_local($courseid) && !grade_scale::fetch_all_global()) {
	notice_yesno(get_string('noscales', 'grades'), $CFG->wwwroot.'/grade/edit/scale/edit.php?courseid='.$courseid, $returnurl);
	print_footer($course);
	die();
}

$mform->display();

if ($courseid) {
	print_footer($course);
} else {
	admin_externalpage_print_footer();
}

?>
